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Physics

Physics
Light travels slowest in

Air
Glass
Vacuum
Water

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Physics
In order to make an electromagnet you need a

Dry cell batteries
Thin coated copper wire
Iron nail
All of these

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Physics
If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?

Unchanged
Increases
Decreases
Depends upon the metal

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Physics
Ultrasound devices operate with minimum frequency from

20kHz
35 kHz
45 kHz
60 kHz

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Physics
Which component of an IED creates an electrical charge?

Activator
Power source
Explosive
Fuse

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Physics
In a nuclear reactor, one of the following is used as a fuel.

Coal
Radium
Diesel
Uranium

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MORE MCQ ON Physics

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